7SQ5
Designed trefoil knot protein, variant 3
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | ALS BEAMLINE 5.0.1 |
Synchrotron site | ALS |
Beamline | 5.0.1 |
Temperature [K] | 100 |
Detector technology | PIXEL |
Collection date | 2020-02-20 |
Detector | DECTRIS PILATUS3 6M |
Wavelength(s) | 0.9774 |
Spacegroup name | I 2 2 2 |
Unit cell lengths | 47.233, 88.180, 95.257 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 47.629 - 2.205 |
R-factor | 0.219 |
Rwork | 0.214 |
R-free | 0.25990 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | Computational design |
Data scaling software | HKL-2000 (720) |
Phasing software | PHASER (2.8.1) |
Refinement software | PHENIX (1.13) |
Data quality characteristics
Overall | Inner shell | Outer shell | |
Low resolution limit [Å] | 50.000 | 50.000 | 2.240 |
High resolution limit [Å] | 2.200 | 5.970 | 2.200 |
Rmerge | 0.123 | 0.069 | 0.705 |
Rmeas | 0.129 | 0.072 | 0.746 |
Rpim | 0.036 | 0.021 | 0.239 |
Total number of observations | 129373 | ||
Number of reflections | 10377 | 580 | 517 |
<I/σ(I)> | 5.4 | ||
Completeness [%] | 100.0 | 100 | 99.6 |
Redundancy | 12.5 | 11.9 | 9.4 |
CC(1/2) | 0.997 | 0.814 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 293 | 0.2 M Potassium sodium tartrate + 0.1 M Sodium citrate pH 5.6 + 1.8 M Ammonium sulfate |